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Test your basic knowledge |
Biomedical Engineering Heart
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 43 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Heart rate below 60 bpm
cardiac output
systole
bradycardia
arrhythmias
2. Outermost of the pericardial membranes
coronary arteries
fibrous epicardium
fibrullation
closure of the valves
3. Changes in blood pressure are detected by
bicuspid valve
pressoreceptors in teh carotid and aortic sinuses
sodium ions and water
medulla
4. Heart is located here
cardiac cycle
ECG
cardiac output
medial to the lungs and superior to the diaphragm
5. Cardiac muscle tissue
prevent friction as the heart beats
cardiac cycle
stroke volume
myocardium
6. Nerves that transmit impulses to decrease the heart rate are the ____
systole
vagus nerves
cardiac reserve
coronary arteries
7. Contraction of chambers of the heart
systole
is smooth to prevent abnormal clotting within the heart
SA node
coronary arteries
8. Difference between resting cardiac output adn maximum exercise cardiac output
prevent friction as the heart beats
fibrous epicardium
cardiac reserve
coronary veins
9. The centers that regulate heart rate located in the___
medulla
stroke volume
sodium ions and water
pressoreceptors in teh carotid and aortic sinuses
10. Part of the myocardium is deprived of its blood supply and becomes ______
SA node
aorta
closure of the valves
ischemia
11. Very rapid and uncoordinated ventricular beat
medial to the lungs and superior to the diaphragm
fibrullation
tricuspid valve
atrium
12. Amount of blood pumped by a ventricle per beat
diastole
stroke volume
aorta
cardiac cycle
13. Endocardium lines the chambers of the heart
right and left atria
medulla
bradycardia
is smooth to prevent abnormal clotting within the heart
14. Visceral pericardium
cardiac reserve
SA node
epicardium
pressoreceptors in teh carotid and aortic sinuses
15. The chambers of teh heart that receive blood from the veins
fibrous epicardium
prevent friction as the heart beats
aorta
right and left atria
16. Largest artery of the body
aorta
fibrous epicardium
pressoreceptors in teh carotid and aortic sinuses
atrium
17. The amount of blood that returns to teh heart
venous return
superior and inferior caval veins
bradycardia
ECG
18. Normal heart sounds are caused by
mediastinum
medulla
vagus nerves
closure of the valves
19. Amount of blood pumped by a ventricle in 1 minute
cardiac output
diastole
60-80
fibrullation
20. Natural pacemaker of the heart
bundle of His...
venous return
SA node
right and left atria
21. Backflow o fblood from the arteries to the ventricles is prevented by these
coronary arteries
is smooth to prevent abnormal clotting within the heart
aortic and pulmonary semilunar valves
mediastinum
22. Prevents backflow of blood from the left ventricle to the left atrium
tricuspid valve
systole
aorta
bicuspid valve
23. Coronary sinus receives blood directly from this
ischemia
cardiac output
SA node
coronary veins
24. Purpose of teh coronary vessels
venous return
coronary arteries
stroke volume
supply the heart with oxygenated blood
25. Relaxation of chambers of the heart
superior and inferior caval veins
coronary veins
diastole
atrium
26. Sequence of events in one heartbeat
cardiac cycle
60-80
cardiac reserve
aortic and pulmonary semilunar valves
27. Electical activity of the heart may be depicted in an
bicuspid valve
ECG
pressoreceptors in teh carotid and aortic sinuses
fibrous epicardium
28. Veins that return blood to the right atrium
superior and inferior caval veins
aortic and pulmonary semilunar valves
myocardium
is smooth to prevent abnormal clotting within the heart
29. Narrowing of a valve
mediastinum
bicuspid valve
medulla
stenosis...
30. Contraction
coronary veins
cardiac cycle
SA node
systole
31. 1st branches of teh ascending aorta
tricuspid valve
coronary arteries
systole
aorta
32. Relaxation
medial to the lungs and superior to the diaphragm
coronary arteries
diastole
closure of the valves
33. Area in the thoracic cavity between the lungs
60-80
supply the heart with oxygenated blood
right and left atria
mediastinum
34. Hormone ANP increases loss of ____in urine to decrease blood volume and blood pressure
pressoreceptors in teh carotid and aortic sinuses
sodium ions and water
bradycardia
closure of the valves
35. Heart chambers are lined with this
bradycardia
SA node
coronary veins
endocardium
36. Normal range of heart rate for a healthy adult is _____ bpm
60-80
pressoreceptors in teh carotid and aortic sinuses
diastole
SA node
37. Vessel into which the left ventricle pumps blood
aorta
medulla
coronary arteries
medial to the lungs and superior to the diaphragm
38. Prevents backflow of blood from teh right ventricle to the right atrium
tricuspid valve
supply the heart with oxygenated blood
SA node
systole
39. Upper chamber of the heart
atrium
mediastinum
cardiac cycle
coronary veins
40. Each normal heartbeat is initiated by this
myocardium
SA node
medial to the lungs and superior to the diaphragm
ECG
41. Funciton of the serous fluid of teh pericardial membranes
prevent friction as the heart beats
aorta
coronary arteries
bradycardia
42. Irregular heartbeats
pressoreceptors in teh carotid and aortic sinuses
epicardium
fibrous epicardium
arrhythmias
43. First part of the cardia conduction pathway in teh ventircles
sodium ions and water
coronary veins
bundle of His...
cardiac cycle